fix: Arguments in standalone launcher.

doc/changelog.d/4656.fixed.md

@@ -0,0 +1 @@
+Arguments in standalone launcher.

src/ansys/fluent/core/launcher/standalone_launcher.py

@@ -105,7 +105,11 @@ def __init__(
         topy: str | list | None = None,
         start_watchdog: bool | None = None,
         file_transfer_service: Any | None = None,
+        certificates_folder: str | None = None,
+        insecure_mode: bool = False,
     ):
+        self.certificates_folder = certificates_folder
+        self.insecure_mode = insecure_mode
         """
         Launch a Fluent session in standalone mode.
 
@@ -174,6 +178,12 @@ def __init__(
             GUI-less Fluent sessions started by PyFluent are properly closed when the current Python process ends.
         file_transfer_service : Any
             Service for uploading/downloading files to/from the server.
+        certificates_folder : str, optional
+            Path to the folder containing TLS certificates for Fluent's gRPC server.
+        insecure_mode : bool, optional
+            If True, Fluent's gRPC server will be started in insecure mode without TLS.
+            This mode is not recommended. For more details on the implications
+            and usage of insecure mode, refer to the Fluent documentation.
 
         Raises
         ------